Weeds - Goulburn Broken Catchment Management Authority
Weeds - Goulburn Broken Catchment Management Authority
Weeds - Goulburn Broken Catchment Management Authority
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Regionally Controlled Weed<br />
Noogoora Burr<br />
Description: Erect up to 2.5 m tall, but usually under 1 m.<br />
Can be single stemmed or much branched.<br />
flowers: Inconspicuous, formed in clusters in leaf axils near<br />
branch tips. Flowers late Summer.<br />
leaves: Green and darker on upper surface. Lower leaves<br />
opposite and upper leaves alternate. Similar in shape to a<br />
maple or grape and up to 15 cm in diameter. Serrated edge<br />
and a rough texture. Prominent red/purple veins and stalks.<br />
stems: Blotched with purple and covered in short, coarse<br />
hairs.<br />
fruit: A hard, woolly, oval shaped burr with numerous spines<br />
and 2 prominent beaks on the end. In clusters of 2-13.<br />
Note: A contaminant of wool.<br />
similar Native species: Unlikely to be confused with native<br />
species.<br />
52<br />
Xanthium strumarium<br />
(Californian Burr)<br />
j f M A M j j A s O N D<br />
CONtROl OPtIONs VECtOR Of sPREAD
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